Improvement in apparatus for heating prqpagatjng-beds



W. OHALMBERS. APPARATUS FOR HEATING PROPAGATING BEDS.

No. 112,220 1 1 8111611 Feb. 28, 1871 can first WILLIAM CHALMERS, 0FPHILADELPHIA, PENNSYLVANIA.

Letters Patent No. 112,220, dated February 28, 1871.

IMPROVEMENT IN APPARATUS FOR HEATING .PRQPAGATlNGrBEDS.

The Schedule referred in theee Letters Patent and making put of thename.

To all whom it may concern:

city and'connty of Philadelphia. and State of Pennsylvania, haveinvented a new and useful Improvement in Apparatus for HeatingPropagating-Beds;

and I do hereby declare that the following is a full, clear, and exactdescription thereof, reference being had to the annexed drawing makingpart of this specification, in which- Figure I is'a perspective view ofmyimpi-oved device, showing the furnace or fire-box in'which the fuel isburned, the water-pipes in-which the water is heated, and the'water-reser'voir over or upon which the cuttings or seeds are placed.

Figure II shows a modification of my devices.

Oorlesponding letters refer-to corresponding parts in bothfigurcs.

In green-houses, propagating-gardens, and other places where plants arepropagated, it is of great i'mportanccthat some cheap "and eflectlvedevtces should be had bymeans of which the beds inwhich the plants orseeds are placed can be readily warmed; and

My object in the present invention has been to provide such an apparatus5 and, to this end,

This invention consists in the arrangement of the parts of which it isconstructed,'as will be more fully described hereinafter. I

A in the drawing refers to the furnace'or fire-box, which may he ofbrick or ofany other refractory material, but which, as a matter ofeconomy in fuel, I prefer to make of metal, and, when so made, toprovide a water-space, A, upon all of its sides, except the lower orbottom side, which is left open for the escape of ashes, and for theadmission bf air for the support of combustion.

The front or some other side of this box is to be provided with doorsfor the admission of fuel and for the removal; of ashes, as shown MA. A,Fig. I. When made of bricks, or of other, material other than metal, aniron plate may be provided upon which to erect the structure, so astomake it a portable one, and it may be left open at the top, as shownin Fig. I; I but when made of metal it will be closed at the top, asshown in Fig. II, and'a water-space provided, as there shown. 1 3

A refers to the grates, which may bcof the usual kiudwhen a brickfurnace is used, but which, 'when a metal one is used, may consist of aseries of pipes communicatingwith the water-space upon the sides of thesame, as shown in Fig. I.

B B refer to a pipe or pipes, which maybe arranged, as shown in Figs. 1and II, according to the kind of furnace to be employed.

. The arrangement, shown in Fig. I, is such that they connect andcommunicate with v the waterspace in D, from which point they extend toand pass through the furnace A, in the manner shown in Fig. I; or thatportion which is within said furnace may consist of a coil.

The water which is contained in the reservoir D flows into these pipesand becomes heated, while in that position,-which is within the furnace,and, as the point at which, in its circulation, it enters the reservoiris above the point where it is taken out to sapply the pipe, it followsthat a constant stream will be kept up through such pipe, and that, as aconsequence, all the water in the reservoir will be heated to anydesired extent.

When a metal furnace is used the circulating-pipes O G will be connectedto the water-space, as' shown in Fig. II, and ,thus the entire surfaceof the box will become heating surface.

0 refers to the smokc-pipe or up-take, which,.when attached to a metalfurnace, as shown in Fig. II, may be blanched, as there shown, sothat'the heat escaping through it maybe carrledto diflerent parts of thebuilding in which it is placed. By placing damp els in the branches ofthispipe the heat. may all be turned in one or the other direction, orit may be divided and a portion thereof directed in both directions atthe sometime.

1) refers to thewater-rcservoir, to which the circ'ulating-pipes areconnected. It is mounted upon legs, as shown, and is open at its top, sothat any box containing the earths of any kind, which constitutes thebed in which propagation is to take place,may be set thereon, and beheated. to any desired. extent by the water which. circulates throughit, first on one side of the dividing partition, and then on the other.The depth ofthis reservoir may be suclras to suit the views of theconstructor, its dimensions otherwise being such as to render itportable and easily removed from point to point by the men usually inattendance.

It will be apparent that such a device as I have herein described willfurnish a cheap and portable means of heating beds for the propagationof plants or seeds, and that it may be placed in any convenient positionfora given purpose, and afterwards removed to anyother position in'thesame or any other buildaving thus described my invention,

What I claim as new, and desireto secure by Letters Patent, is- I y Thearrangement of the furnace A, circulating-pipe or pipes B B, and thewater-reservoir D, substantially as and for the purpose set forth.

In testimony whereof I have signed my name to this specification in thepresence of two subscribing witnesses.

WM. OHALMEBS. Witnesses FRED. KOONES, B. Enw. J. Ems.

